package com.knife.hospital.service;

import com.knife.hospital.entity.UserPO;

public interface UserLoginService {
    /**
     * 根据(user_name,password)判断是否存在该用户
     *
     * @param userName
     * @param password
     * @return
     */
    public UserPO selectByNameAndPassword(String userName, String password);
}
